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Weather & Climate in Agía Triáda, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Agía Triáda enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 51°F in January while summers reach 85°F in July. The area gets 340 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 18.6 inches (drier than the 38-inch national average). The area receives 5.3 inches of snow annually. The city sits at an elevation of 1,834 feet.
Temperature
51°F Jan (10°C)
85°F Jul (29°C)
| Annual Average | 64.5°F |
| 19% above US avg | |
| January Average | 51°F (10°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 340 days/yr |
Geography
| Elevation | 1,834 ft (559 m) |
| Area | 1.9 sq mi (4.8 km²) |
| Population Density | 518/sq mi |
| Coordinates | 38.2035°N, 23.8031°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
3,665 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Jul 26, 2001 | 32 km WNW of Skýros, Greece | M6.5 | 103 km | 10 km |
| Jun 15, 1995 | 8 km WNW of Galaxídhion, Greece | M6.5 | 134 km | 14 km |
| Jan 6, 2008 | 15 km WNW of Leonídio, Greece | M6.2 | 147 km | 75 km |
| Sep 7, 1999 | 5 km WNW of Fylí, Greece | M6.0 | 20 km | 10 km |
| Nov 18, 1992 | 10 km SE of Galaxídhion, Greece | M5.9 | 119 km | 15 km |
| Mar 18, 1993 | 11 km NNE of Témeni, Greece | M5.8 | 145 km | 59 km |
| Nov 5, 1997 | 10 km NW of Galaxídhion, Greece | M5.6 | 135 km | 24 km |
| Apr 4, 2014 | 36 km ESE of Ýdra, Greece | M5.6 | 103 km | 107 km |
| Jun 15, 1995 | 3 km E of Galaxídhion, Greece | M5.4 | 123 km | 10 km |
| Jun 9, 2015 | 13 km E of Malesína, Greece | M5.3 | 59 km | 13 km |
| Jul 19, 2019 | 1 km NNE of Magoúla, Greece | M5.3 | 27 km | 10 km |
| Sep 16, 2013 | 9 km NNW of Eláteia, Greece | M5.3 | 109 km | 8 km |
| Aug 7, 2013 | 9 km NW of Eláteia, Greece | M5.3 | 111 km | 0 km |
| Mar 30, 2019 | 2 km SE of Galaxídhion, Greece | M5.3 | 124 km | 10 km |
| Oct 11, 2017 | 32 km E of Patitírion, Greece | M5.1 | 113 km | 12 km |
| Oct 9, 2010 | 14 km NE of Xylókastro, Greece | M5.1 | 93 km | 11 km |
| Jun 18, 2008 | 4 km NNW of Ayía Triás, Greece | M5.1 | 108 km | 83 km |
| Sep 22, 2012 | 8 km NNE of Káto Dhiminió, Greece | M5.0 | 91 km | 10 km |
| May 27, 2025 | 13 km S of Antikyra, Greece | M5.0 | 101 km | 23 km |
| Jul 30, 2001 | 16 km ESE of Patitírion, Greece | M5.0 | 101 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1817 | CORINTHOS-PATRAS GULF | Earthquake | 5.0 m | — | 149 km |
| 1965 | NORTH CORINTH GULF | Eruption + Earthquake | 3.0 m | 2 | 112 km |
| 1894 | NORTH EVOIKOS GULF | Eruption + Earthquake | 3.0 m | — | 82 km |
| 1861 | CORINTH GULF | Eruption + Earthquake | 2.1 m | — | 140 km |
| 2008 | SW. CORINTH GULF | Unknown | 2.0 m | — | 140 km |
| 1981 | GULF OF CORINTH | Earthquake | 1.3 m | — | 45 km |
| 1995 | GULF OF CORINTH: AIYION | Eruption + Earthquake | 1.0 m | 26 | 134 km |
| 1981 | ATHENS-EASTERN GULF OF CORINTH | Earthquake | 1.0 m | 22 | 76 km |
| 1928 | CORINTHOS-PATRAS GULF | Earthquake | 0.6 m | 20 | 74 km |
| 1992 | CORINTH GULF | Earthquake | — | — | 107 km |
| 1984 | CORINTHOS GULF, GREECE | Eruption + Earthquake | — | — | 148 km |
| 1965 | AEGEAN SEA | Earthquake | — | 38 | 134 km |
| 1955 | VOLOS GULF | Earthquake | — | 8 | 146 km |
| 1888 | GULF OF CORINTH | Eruption + Earthquake | — | — | 149 km |
| 1862 | IONIAN SEA | Earthquake | — | — | 136 km |
| 1853 | CENTRAL GREECE (EVOIKOS GULF) | Earthquake | — | 17 | 27 km |
| 1794 | CORINTH GULF | Eruption + Earthquake | — | — | 132 km |
| 1748 | CORINTHOS-PATRAS GULF | Earthquake | — | — | 149 km |
| 1402 | GULF OF CORINTH | Earthquake | — | — | 122 km |
| -373 | CORINTHOS-PATRAS GULF | Eruption + Earthquake | — | — | 136 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Methana (77 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Methana | Lava dome(s) | 760 m (2,493 ft) | -258 | 77 km |
| Milos | Stratovolcano(es) | 751 m (2,464 ft) | 140 | 177 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (10°C) | 2.8 in | |
| February | 45°F (7°C) | 2.6 in | Coldest |
| March | 48°F (9°C) | 2.4 in | |
| April | 55°F (13°C) | 1.4 in | |
| May | 63°F (17°C) | 1.0 in | |
| June | 72°F (22°C) | 0.6 in | |
| July | 85°F (29°C) | 0.4 in | Warmest, Driest |
| August | 75°F (24°C) | 0.4 in | |
| September | 69°F (21°C) | 0.7 in | |
| October | 61°F (16°C) | 2.3 in | |
| November | 53°F (12°C) | 2.6 in | |
| December | 47°F (9°C) | 3.5 in | Wettest |
Agía Triáda has a seasonal temperature swing of 40°F / from 45°F in February to 85°F in July. Total annual precipitation is 20.6 inches, with December being the wettest month (3.5") and July the driest (0.4").